Commitment & Consistency

Get small, public agreements that the counterpart will feel pressure to remain consistent with as the asks grow.

Robert CialdiniInfluencemoderatePersuasion Principle

Once a person commits to a position — especially out loud or in writing — there is strong internal and social pressure to behave consistently with that commitment. The negotiation move is to ladder small, easy yeses about principles or shared goals before bringing the harder asks. Each prior agreement makes the next one harder to refuse without contradicting themselves.

Example

You

"Before we talk numbers, can we agree this project lives or dies on whether the finish quality is shop-original?"

Counterpart

"Absolutely."

You

"And shop-original quality requires the materials we've specified — yes?"

Counterpart

"Yes."

You

"Then $2.4M doesn't buy that — here's what does."

When to use

Use it in long sales cycles, complex multi-issue deals, and situations where you can establish principles up front (e.g., "We both agree quality is non-negotiable, right?") before negotiating the trade-offs that flow from those principles.

When NOT to use

Avoid it with sophisticated counterparts who recognise the laddering and resent it, and when the small commitments feel manipulative or scripted. Don't use it for one-shot deals where the relationship will not survive the discovered move.

How to counter this

Refuse to be ladder-trapped: answer each commitment with a qualified yes ("In principle, yes — but the specifics depend on…"). Or break the chain by re-opening an earlier agreement.

Related dimensions

Frame Control Closing Value Articulation

Practice drill

For your next negotiation, write down three principles the counterpart will almost certainly agree with. Plan a sequence in which each prior agreement makes the next ask harder to refuse.

Practise this technique

When to use, when NOT to use, how to counter, and a practice drill — free forever.

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